Vishal had got an indication from his friend about the changes in the export market.

Feeling : an emotional state or reaction.
Hint : a slight or indirect indication or suggestion.
Guess : estimate or conclude (something) without sufficient information to be sure of being correct.
Signal : a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned.
Indication : a sign or piece of information that indicates something.

Synonym of Indication is Hint